Patent US292167A successfully refreshed from Google Patents.
US292167A
Expired / Lapsed
US
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Expanding mandrel
Assignee: —
•
Filing: —
•
Granted: 1884-01-22
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Expires: 1901-01-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:32
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/404; B23B31/4046; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1045; Y10T279/1083; Y10T279/1095; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1887-01-21 | 1887-07-23 | 1888-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-01-21 | 1891-07-23 | 1892-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-01-21 | 1895-07-23 | 1896-01-22 | $7700.00 | Window Closed / Lapsed |